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Study of bipolar pulsed nanocrystalline plasma electrolytic carbonitriding on nanostructure of compound layer for CP-Ti

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Abstract

Surface hardening of commercially pure titanium using bipolar pulsed nanocrystalline plasma electrolytic carbonitriding has been studied in this investigation. The coating process has been performed on triethanolamine-based electrolytes using a cooling bath. The nanostructure of obtained compound layers was examined with figure analysis of SEM nanographs. The effects of process variables (i.e., frequency, temperature of electrolytes, applied voltage, and treatment time) have been studied experimentally. Statistical methods were used to achieve the optimum size of nanocrystals. Finally, the contribution percentage of the effective factors of pulsed current was revealed, and confirmation showed the validity of obtained results. It has also been revealed that by changing the size of nanocrystalline carbonitrides, other properties of the coating will change significantly.

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Acknowledgments

The authors would like to express their thanks to the Arvandan Oil & Gas Production Company (TMU 85-09-66) for financially supporting this project. This research was also financially supported by the Iranian Nano Science and Technology Research Organization.

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Authors and Affiliations

  1. Faculty of Engineering, Materials Engineering Department, Tarbiat Modares University, P.O. Box 14115-143, Tehran, Iran

    M. Aliofkhazraei, Alireza Sabour Rouhaghdam, A. Denshmaslak, H. R. Jafarian & M. Sabouri

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  1. M. Aliofkhazraei
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  2. Alireza Sabour Rouhaghdam
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  3. A. Denshmaslak
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  4. H. R. Jafarian
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  5. M. Sabouri
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Correspondence to Alireza Sabour Rouhaghdam.

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Aliofkhazraei, M., Rouhaghdam, A.S., Denshmaslak, A. et al. Study of bipolar pulsed nanocrystalline plasma electrolytic carbonitriding on nanostructure of compound layer for CP-Ti. J Coat Technol Res 5, 497–503 (2008). https://doi.org/10.1007/s11998-008-9086-8

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  • DOI: https://doi.org/10.1007/s11998-008-9086-8

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